Lampshade



FIG. 1 is a front elevational view of a lampshade showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a rear elevation view thereof.

The broken lines in the drawings illustrate portions of the lampshadewhich form no part of the claimed design.

CLAIM The ornamental design for a lampshade, as shown and described.